The former First Daughter is now a first-time mom! Chelsea Clinton and her husband Marc Mezvinsky welcomed their first baby earlier this week. Daughter Charlotte Clinton Mezvinsky arrived on September 26th. Clinton shared the family’s happiness via Twitter, saying, “At 7:03 PM on September 26th, we finally met Charlotte. We’re in love.” New grandparents Bill and Hillary Clinton sound equally in love: “@BillClinton and I are over the moon to be grandparents!” Hillary Clinton tweeted. “One of the happiest moments of our life.”

There’s a baby on the way for Chelsea Clinton! The former first daughter shared the happy news that she and husband Marc Mezvinsky are expecting their first baby at a recent Clinton Foundation event. She followed that news with a few more details shared via Twitter, “Marc and I are so thrilled to be expecting our first child in the fall! Thank you for all of the kind words!” Grandma- and Grandpa-to-be (Hillary and Bill Clinton) chimed in with their own excitement:”Most exciting title yet: Grandmother-To-Be!” tweeted Hillary, and Bill added, “Excited to add a new line to my Twitter bio…grandfather-to-be!”